please solve this step by step please......................
Attachments:
Answers
Answered by
2
(i)25p²r⁴-36r²
= -11p²r²
(ii)4a²-9b²c²
= -5a²b²c²
= -11p²r²
(ii)4a²-9b²c²
= -5a²b²c²
khushi2880:
wrong
so sorry for wrong answer
Answered by
2
1)(5pr²)²-(6r)²[Using a²-b²=(a+b)(a-b)]
=(5pr²+6r)(5pr²-6r)
2)(2a)²-(3bc)²[Using a²-b²=(a+b)(a-b)]
=(2a+3bc)(2a-3bc)
=(5pr²+6r)(5pr²-6r)
2)(2a)²-(3bc)²[Using a²-b²=(a+b)(a-b)]
=(2a+3bc)(2a-3bc)
Most welcome
Similar questions