Question

(a/7-b/4)(b/4+a/7) using suitable identity​

Answer 1

here is your answer

hope this helps you

Answer 2

Answer:

this is (a-b)(a+b)=a^2-b^2

so,. (a/7-b/4)(a/7+b/4)

(a/7)^2(b/4)^2

(a^2/49)(b^2/16)

Step-by-step explanation:

buddy here is u r answer

hope it is enough