Question

answer 5th question please​

Answer 1

$\huge\mathfrak\pink{answer}$

a} 1, -1

soln, ye hee ki agar power odd ho too minus hoga answer bhi par uskeliye number bhi [-]minus mee chiye ..

Answer 2

Answer:

Step-by-step explanation:

5.(-1)^98=1

  (-1)^99=-1

Ans.A.1,-1

6.a^2-b^2/a+b=(a+b)(a-b)/(a+b)

                       =a-b

                       =1-2

                       =-1