3
23
7
-4
Correct answer is D
1√3−2 - 1√3+2
L.C.M = (3- 2) (3 + 2)
∴ 1√3−2 - 1√3−2 = √3+2−√3−2√3−2+√3−2
√3+2−√3+23−2√3+2√3−4 = 43−2
= 4−1
= -4
Let a binary operation '*' be defined on a set A. The operation will be commutative if ...
Make x the subject of the equation a(b + c) + 5d - 2 = 0...
A polynomial in x whose zeros are -2, -1 and 3 is ...
The nth term of a sequence is given 31 - n , find the sum of the first terms of the sequence....
\(\begin{array}{c|c} \text{No. of children} & 0 & 1 & 2 & 3 & 4 & 5 & 6 ...