find the product of the following using identities
( 42 − 32)^2
plz help me with this answer
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find the product of the following using identities
( 42 − 32)^2
plz help me with this answer
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Answer:
The identity to be used here is -
(a-b) ^2 = a2 - 2ab + b2
(42 - 32)2 = 42^2 - 2×42×32 + 32^2
= 1764 - 2688 + 1024
= 2788 - 2688
= 100
Hope this helps