which identity we will use in all parts.
please answer the following question
I will mark the right answer as the brain list one.
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in mostly questions .....
(a+b)² = a²+b²+2ab
(a-b)²= a²+b²-2ab
in the question (b) and (f)
you can use
(a+b)(a-b) = a²-b²
(a+b)² = a²+b²+2ab
(a-b)²= a²+b²-2ab
in the question (b) and (f)
you can use
(a+b)(a-b) = a²-b²
Anonymous:
in d part ....... (a-b)²
can you solve both
please
I hope you will
solve it
please please please please please please
ok
(3p+6)²-(2p-8)²............. (9p²+36+36p)-(4p²+64-32p)............. 9p²+36+36p-4p²-64+32p............. 5p²+68p-28
part d ......... (x-y)²+4xy ............ x²+y²-2xy+4xy .............. x²+y²+2xy
thanks
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