Question

If 1 <a < 2 then Va-2a-1 - Va+2Va-1 can be
(A) 2
(B) -2/a-1
(C)
(D) (a - 1)​

Answer 1

Answer:

answer of 1<a < 2 then v a minus 2 a - 1 minus b a + 2 b a -1 can be -2/a-1