Question : Factorize: 27a3b3 − 45a4b2 Question : Factorize: 2a(x + y) − 3b(x + y) Question : Factorize :2x(p2 + q2) + 4y(p2 + q2) Question : Factorise : 5 – 20x2 Question :Factorize : 3a3b − 243ab3
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Answer:
1) 27a3b3−45a4b2
=9a3b2(3b−5a)27a3b3-45a4b2
=9a3b2(3b-5a)
2) 2a(x + y) − 3b(x + y)
=(x+y)(2a-3b)
3) 2x(p2 + q2) + 4y(p2 + q2)
=(p2+q2)(2x+4y)
=2(p2+q2)(x+2y)
4) 3a3b-243ab3
=3ab(a²-81b²)
=3ab(a²-(9b)²)
=3ab(a-9b)(a+9b)
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Answered by
1
1) 27a3b3−45a4b2
=9a3b2(3b−5a)27a3b3-45a4b2
=9a3b2(3b-5a)
2) 2a(x + y) − 3b(x + y)
=(x+y)(2a-3b)
3) 2x(p2 + q2) + 4y(p2 + q2)
=(p2+q2)(2x+4y)
=2(p2+q2)(x+2y)
4) 3a3b-243ab3
=3ab(a²-81b²)
=3ab(a²-(9b)²)
=3ab(a-9b)(a+9b)
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