Question

Please answer the question in the attachment. Please answer if you know properly

Answer 1

Ans- 3) b
For solution... Refer above image

Answer 2

The given question reduces to

$a^7 * b^5/ a^5 * b^6 divided by (a^2/b^2 )$

= $a^ { 7 - 5 } * b ^{ 5-6} divided by (a^2/b^2)$

= $a^2 *b^-1 * b^2 /a^2$

= b

Therefore, Option is 3