Question

please solve all of these:
it's my humble request to maths aryabhatt to answer these. ​

Answer 1

Step-by-step explanation:

in all question you have to apply just two formulas or need

that are:)

a2-b2=(a+b)(a-b)

and

(a+b)2=a2+b2+2ab

and (a-b)2=a2+b2-2ab

and some identities

that are :)

a2×a2=a4