Factorise: a²+9b²
Please give the answer as soon as possible.
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Answered by
6
hey.... friend!!!!
*****a²-9b²
= a²-(3b)²
= (a-3b) (a+3b) since (a)²-(b)² = (a-b) (a+b)*****
please.... mark.... brainlist
*****a²-9b²
= a²-(3b)²
= (a-3b) (a+3b) since (a)²-(b)² = (a-b) (a+b)*****
please.... mark.... brainlist
Anonymous:
hey a^2 + 3b^2 hai
ok
Answered by
6
Your answer is --
we have
a^2 + 9b^2
= a^2 + (3b)^2
°•° a^2 + b^2 = (a+b)^2 - 2ab
= (a+3b)^2 - 6ab
we have
a^2 + 9b^2
= a^2 + (3b)^2
°•° a^2 + b^2 = (a+b)^2 - 2ab
= (a+3b)^2 - 6ab
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