Question and Answers Forum

All Questions Topic List

AllQuestion and Answers: Page 1774

Question Number 31620 Answers: 0 Comments: 0

Question Number 31619 Answers: 1 Comments: 0

Question Number 31611 Answers: 2 Comments: 1

Question Number 31596 Answers: 2 Comments: 2

Question Number 31595 Answers: 2 Comments: 2

Question Number 31594 Answers: 1 Comments: 0

Question Number 31591 Answers: 1 Comments: 4

Question Number 31584 Answers: 1 Comments: 0

Question Number 31583 Answers: 0 Comments: 0

how to read this ⟨x⟩. p

$${how}\:{to}\:{read}\:{this}\:\langle{x}\rangle.\:{p} \\ $$

Question Number 31579 Answers: 1 Comments: 0

Let a and b be an integer part and a decimal fraction of (√7), respectively. Then the integer part of (a/b) is?

$$\mathrm{Let}\:{a}\:\mathrm{and}\:{b}\:\mathrm{be}\:\mathrm{an}\:\mathrm{integer}\:\mathrm{part}\:\mathrm{and}\:\mathrm{a}\:\mathrm{decimal} \\ $$$$\mathrm{fraction}\:\mathrm{of}\:\sqrt{\mathrm{7}},\:\mathrm{respectively}.\:\mathrm{Then}\:\mathrm{the}\:\mathrm{integer} \\ $$$$\mathrm{part}\:\mathrm{of}\:\frac{{a}}{{b}}\:\mathrm{is}? \\ $$

Question Number 31573 Answers: 0 Comments: 1

Question Number 31572 Answers: 1 Comments: 0

Question Number 31571 Answers: 2 Comments: 0

Question Number 31569 Answers: 1 Comments: 0

(a,(1/a)),(b,(1/b)),(c,(1/c)),(d,(1/d)) are four distinct points on a circle of radius is 4 units then abcd is equal to ?

$$\left({a},\frac{\mathrm{1}}{{a}}\right),\left({b},\frac{\mathrm{1}}{{b}}\right),\left({c},\frac{\mathrm{1}}{{c}}\right),\left({d},\frac{\mathrm{1}}{{d}}\right)\:{are}\:{four} \\ $$$${distinct}\:{points}\:{on}\:{a}\:{circle}\:{of}\:{radius} \\ $$$${is}\:\mathrm{4}\:{units}\:{then}\:{abcd}\:{is}\:{equal}\:{to}\:? \\ $$

Question Number 31566 Answers: 1 Comments: 1

Question Number 31564 Answers: 0 Comments: 1

If f(x) and g(x) are two integrable functions defined on [a, b], then ∣ ∫_a ^b f(x) g(x) dx ∣ is

$$\mathrm{If}\:{f}\left({x}\right)\:\mathrm{and}\:\:{g}\left({x}\right)\:\mathrm{are}\:\mathrm{two}\:\mathrm{integrable} \\ $$$$\mathrm{functions}\:\mathrm{defined}\:\mathrm{on}\:\left[{a},\:{b}\right],\:\mathrm{then} \\ $$$$\mid\:\underset{{a}} {\overset{{b}} {\int}}\:{f}\left({x}\right)\:{g}\left({x}\right)\:{dx}\:\mid\:\:\:\mathrm{is} \\ $$

Question Number 31562 Answers: 1 Comments: 0

Question Number 31560 Answers: 1 Comments: 1

Question Number 31907 Answers: 0 Comments: 0

Question Number 31906 Answers: 1 Comments: 0

Question Number 31549 Answers: 1 Comments: 0

witout using calculator, simpify cos22.5°

$${witout}\:{using}\:{calculator},\:{simpify} \\ $$$${cos}\mathrm{22}.\mathrm{5}° \\ $$

Question Number 31548 Answers: 1 Comments: 0

simplify cosx + (√3)sinx as a single trigonometry ratio

$${simplify}\:{cosx}\:+\:\sqrt{\mathrm{3}}{sinx}\:{as}\:{a}\: \\ $$$${single}\:{trigonometry}\:{ratio} \\ $$

Question Number 31546 Answers: 1 Comments: 0

let consider the numrtical function f(x)= (1/(x^2 +x+1)) calculate f^((n)) (x) then give f^((n)) (0).

$${let}\:{consider}\:{the}\:{numrtical}\:{function} \\ $$$${f}\left({x}\right)=\:\frac{\mathrm{1}}{{x}^{\mathrm{2}} \:+{x}+\mathrm{1}}\:\:{calculate}\:{f}^{\left({n}\right)} \left({x}\right)\:{then}\:{give} \\ $$$${f}^{\left({n}\right)} \left(\mathrm{0}\right). \\ $$

Question Number 31543 Answers: 0 Comments: 2

∫((x^3 +x+1)/(x^2 +1)) dx

$$\int\frac{{x}^{\mathrm{3}} +{x}+\mathrm{1}}{{x}^{\mathrm{2}} +\mathrm{1}}\:{dx} \\ $$$$ \\ $$$$ \\ $$

Question Number 31542 Answers: 0 Comments: 0

let p(x)=(1+x+x^2 )^n −(1−x+x^2 )^n ∈C[x] 1) find the roots of p(x) 2) factorize p(x) inside C[x].

$${let}\:{p}\left({x}\right)=\left(\mathrm{1}+{x}+{x}^{\mathrm{2}} \right)^{{n}} \:−\left(\mathrm{1}−{x}+{x}^{\mathrm{2}} \right)^{{n}} \:\in{C}\left[{x}\right] \\ $$$$\left.\mathrm{1}\right)\:{find}\:{the}\:{roots}\:{of}\:{p}\left({x}\right) \\ $$$$\left.\mathrm{2}\right)\:{factorize}\:{p}\left({x}\right)\:{inside}\:{C}\left[{x}\right]. \\ $$

Question Number 31538 Answers: 1 Comments: 0

If f(x)= a e^(2x) +b e^x +cx satisfies the condition f(0)= −1, f ′(log 2)=31, ∫_( 0) ^(log 4) (f(x)−cx) dx = ((39)/2), then

$$\mathrm{If}\:{f}\left({x}\right)=\:{a}\:{e}^{\mathrm{2}{x}} +{b}\:{e}^{{x}} +{cx}\:\mathrm{satisfies}\:\mathrm{the} \\ $$$$\mathrm{condition}\:{f}\left(\mathrm{0}\right)=\:−\mathrm{1},\:{f}\:'\left(\mathrm{log}\:\mathrm{2}\right)=\mathrm{31}, \\ $$$$\:\underset{\:\mathrm{0}} {\overset{\mathrm{log}\:\mathrm{4}} {\int}}\left({f}\left({x}\right)−{cx}\right)\:{dx}\:=\:\frac{\mathrm{39}}{\mathrm{2}},\:\mathrm{then} \\ $$

Pg 1769 Pg 1770 Pg 1771 Pg 1772 Pg 1773 Pg 1774 Pg 1775 Pg 1776 Pg 1777 Pg 1778

Contact: info@tinkutara.com