Using suitable identities find the following product
(9y-5)(9y-5)
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Answered by
16
(9y-5)(9y-5). [ Using identity (a-b)^2=a^2-2ab+b^2]
9y=a
5=b
a^2-2ab+b^2=(9y)^2-2(9y)(5)+(5)^2=81y^2-90y+2
answer is : 81y^2-90y+2
Hope I have helped you!!
9y=a
5=b
a^2-2ab+b^2=(9y)^2-2(9y)(5)+(5)^2=81y^2-90y+2
answer is : 81y^2-90y+2
Hope I have helped you!!
Debabratakarmakar:
Thank u
Answered by
0
Answer:
81y^2-90y+2
Step-by-step explanation:
(9y-5)(9y-5). [ Using identity (a-b)^2=a^2-2ab+b^2]
9y=a
5=b
a^2-2ab+b^2=(9y)^2-2(9y)(5)+(5)^2=81y^2-90y+2
answer is : 81y^2-90y+2
Hope I have helped you!!
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