7. Using the identity of square of a binomial, evaluate the following.
(i) (102)
(ii) (53)
(iii) (501)
(v) (59)
(vi) (48)2
(vii) (698)
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Answer:
50+3
a²+b²+2ab
50*50+3*3+2*50*3
2809-Ans
3. 500+1
a² +b²+2ab
250000+1+1000
251001-Ans
Like wise you solve others.also
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