0
ans
0
cmts
Question 226102
1
ans
1
cmts
Where is the error
(−1)=(−1)^1
=(−1)^(2/2)
=[(−1)^2 ]^(1/2)
=[1]^(1/2)
=(√1)
=1
0
ans
0
cmts
Question 213427
1
ans
0
cmts
White horse≠horse and horse≠White horse
Q:Are the above propositions equivalent?
2
ans
0
cmts
Question 208681
0
ans
1
cmts
Question 208421
2
ans
1
cmts
resoudre dans R^3
{ ((x+y=3)),((y+z=5)) :}x+z=4
0
ans
0
cmts
Question 208328
5
ans
3
cmts
Question 208178
1
ans
0
cmts
a^(505) + b^(505 ) = 1
a^(2020) + b^(2020) .
0
ans
0
cmts
Question 207456
0
ans
0
cmts
Question 207455
1
ans
0
cmts
Question 207381
0
ans
0
cmts
GKJC−VFIX+2
(B) (1/2)(GKJC+VFIX)−(3/2)
(C) (1/3)(GKJC+VFIX)−2
(D) (1/2)(GKJC−VFIX)+(5/2)
(E) (1/3)(GKJC+VFIX)+2
0
ans
0
cmts
Question 203304
1
ans
0
cmts
n = 2 (mod 3)
n= 4 (mod 5)
n= 6 (mod 7)
n= 8 (mod 9)
1
ans
3
cmts
Question 202749
1
ans
0
cmts
Prove the following is a tautology:
[(p⊻q)∧(p⇒r)]⇒(q⊻r)
1
ans
0
cmts
Question 198288
1
ans
0
cmts
Prove that
lim_(n→+∞) n∫^( 1) _( 0) e^(−nt(1−ln(1−t))) dt=(√(2π))
2
ans
0
cmts
Question 194406
0
ans
1
cmts
Logic puzzle
if 3621+22=10
7842+10=17
8223+13=29
1930+7 = 10
6624+11=?
1
ans
0
cmts
Question 188924
2
ans
0
cmts
Question 187776
4
ans
1
cmts
Question 183644
1
ans
1
cmts
Question 183583
1
ans
1
cmts
Question 183480
1
ans
0
cmts
Question 180378
1
ans
0
cmts
what are the differences among “ if ”, “ only if ” and “ if and only if ”?
0
ans
2
cmts
Question 175017
1
ans
0
cmts
please i need cubic formula
1
ans
0
cmts
determinant ((a,b,c,v_o ),(0,0,0,1),(0,0,1,1),(0,1,0,1),(0,1,1,0),(1,0,0,0),(1,0,1,0),(1,1,0,0),(1,1,1,0))
what is the logic gate type of this truth
table??
0
ans
0
cmts
Question 167976
1
ans
3
cmts
hi!
help me!
lim_(x→∞) ∫_0 ^∞ e^2 c(√x)∫_0 ^∞ =?
1
ans
0
cmts
What is
Mathematical Calculus and
Mathematical fhysics,
Then what is the difference and
how to explain??
^([Zaynal])
0
ans
0
cmts
Question 163913
0
ans
0
cmts
Question 159645
1
ans
2
cmts
Question 157887
2
ans
0
cmts
2^2^
0
ans
1
cmts
Question 154194
0
ans
0
cmts
Le dernier jour d′un certain mois au
cours de la premiere guerre mondiale,
une bombe tombe sur la tombe d′un
hallebardier.
Sachant que 1.872.269 est le produit
de :
A−du jour du mois ou est tombee la
bombe par
B−la taille de la hallebarde en pieds
(1 pied = 30 cm) par
C−l′age du hallebardier au moment
de sa mort par
D −la difference entre l′annee ou est
tombee la bombe et l′annee du deces
du hallebardier.
Pourriez−vous donner dans l′ordre :
1−la date exacte de la chute de la
bombe.
2−la taille de la hallebarde en pieds.
3−l′annee de naissance, de deces et
l′age du hallebardier au moment de sa
mort ainsi que les eventuelles
circonstances de sa mort.
1
ans
0
cmts
Question 145282
0
ans
0
cmts
Consider the followinge
statments
P: All students with measles
stay in the sick bay.
T: All students in the sick
bay do not do homework.
Which of the following
is/are valid deductions
from the two statements
a) Kofi does not have
measles so Kofi does his
homework.
b)George has done his
homework therefore he
does not stay in the sick bay
c) Jane does not have
measles so she does not
stay in the sick bay
2
ans
0
cmts
hi, masters !
look at this thing carefully :
1
2 3 4
5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 .................
find the line and the column where the number 795471 will appear !
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ans
0
cmts
Question 137690
0
ans
1
cmts
Question 136697
0
ans
0
cmts
Question 136446
0
ans
0
cmts
An online trading company wants to
offer discounts to customers. The
company has recently emailed the
discount codes to customers. New
customers must have the code to be
eligible but returning customers are
not eligible for the discount.
Let A − Returning Customer
B − Discount Code
(a) Draw a truth table to represent
vwhen a customer has a discout
(b) From your table in (a), produce a
Boolean expression to represent
discounted customer (Q) for the
trading company.
1
ans
2
cmts
Question 134948
1
ans
0
cmts
((2^(289) +1)/(2^(17) +1)) = 2^a_1 + 2^a_2 + 2^a_3 + ... + 2^a_k
Find the value of k.