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Question Number 109428 Answers: 2 Comments: 2

Question Number 109427 Answers: 1 Comments: 0

Question Number 109414 Answers: 2 Comments: 0

Question Number 109410 Answers: 3 Comments: 1

solve { ((x≡3 (mod 5))),((x≡ 1 (mod 7))),((x ≡ 6 (mod 8))) :}

$${solve}\:\begin{cases}{{x}\equiv\mathrm{3}\:\left({mod}\:\mathrm{5}\right)}\\{{x}\equiv\:\mathrm{1}\:\left({mod}\:\mathrm{7}\right)}\\{{x}\:\equiv\:\mathrm{6}\:\left({mod}\:\mathrm{8}\right)}\end{cases} \\ $$

Question Number 109403 Answers: 2 Comments: 0

∫ (dx/( (√(x^2 +a^2 ))))=ln∣x+(√(x^2 +a^2 ))∣+C Proof?

$$\int\:\frac{\mathrm{dx}}{\:\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{a}^{\mathrm{2}} }}=\mathrm{ln}\mid\mathrm{x}+\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{a}^{\mathrm{2}} }\mid+{C}\:\:\:\:\mathrm{Proof}? \\ $$

Question Number 109401 Answers: 3 Comments: 0

((JS)/(__00_00__00)) solve the equation 4sin 3x + (1/3)cos 3x = 3

$$\:\:\:\:\:\:\:\frac{{JS}}{\_\_\mathrm{00\_00\_\_00}} \\ $$$${solve}\:{the}\:{equation}\:\mathrm{4sin}\:\mathrm{3}{x}\:+\:\frac{\mathrm{1}}{\mathrm{3}}\mathrm{cos}\:\mathrm{3}{x}\:=\:\mathrm{3} \\ $$

Question Number 109400 Answers: 1 Comments: 4

Question Number 109396 Answers: 1 Comments: 0

If z^(1/2) =x^(1/2) +y^(1/2) Prove that (x+y−z)^2 =4xy

$$\mathrm{If}\:{z}^{\frac{\mathrm{1}}{\mathrm{2}}} ={x}^{\frac{\mathrm{1}}{\mathrm{2}}} +{y}^{\frac{\mathrm{1}}{\mathrm{2}}} \\ $$$$\mathrm{Prove}\:\mathrm{that}\:\left({x}+{y}−{z}\right)^{\mathrm{2}} =\mathrm{4}{xy} \\ $$

Question Number 109387 Answers: 0 Comments: 1

SUCCESSFULLY How many different words can you form using these letters so that no two same letters are adjacent?

$$\boldsymbol{\mathrm{SUCCESSFULLY}} \\ $$$${How}\:{many}\:{different}\:{words}\:{can}\:{you} \\ $$$${form}\:{using}\:{these}\:{letters}\:{so}\:{that}\:{no} \\ $$$${two}\:{same}\:{letters}\:{are}\:{adjacent}? \\ $$

Question Number 109449 Answers: 0 Comments: 0

Question Number 109448 Answers: 0 Comments: 0

Question Number 109378 Answers: 4 Comments: 0

Question Number 109377 Answers: 1 Comments: 0

Question Number 109373 Answers: 3 Comments: 11

Question Number 109369 Answers: 2 Comments: 0

Question Number 109366 Answers: 0 Comments: 1

Question Number 109352 Answers: 0 Comments: 0

Question Number 109353 Answers: 0 Comments: 2

Question Number 109343 Answers: 2 Comments: 1

Question Number 109342 Answers: 0 Comments: 3

Question Number 109336 Answers: 1 Comments: 3

Question Number 109329 Answers: 0 Comments: 1

if all A,B be a set prove that( A^B = ∅↔A=∅ and B=∅) help me sir

$${if}\:{all}\:{A},{B}\:{be}\:{a}\:{set}\:{prove}\:{that}\left(\:{A}^{{B}} =\:\emptyset\leftrightarrow{A}=\emptyset\:{and}\:{B}=\emptyset\right)\: \\ $$$${help}\:{me}\:{sir}\: \\ $$

Question Number 109320 Answers: 0 Comments: 0

Question Number 109307 Answers: 1 Comments: 0

Question Number 109305 Answers: 2 Comments: 0

Question Number 109303 Answers: 0 Comments: 1

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