Math, asked by hashitha, 1 year ago

Find , using identities: (1.1m-0.4)(1.1m+0.4)

Answers

Answered by Ronaldinho1
3
1.21m2-0.016 I think so
hashitha: is it correct ans
hashitha: ??
Gouri1234567890: this is wrong because 0•016 not come instead of it 0•16 be come
Answered by Gouri1234567890
11
a sq.-b sq.=(a+b)(a-b)
here a=1•1m
b=0•4
(1•1m-0•4)(1•1m+0•4)=(1•1m)sq.- (0•4)sq.
1•1m×1•1m-0•4×0•4
=1•21m sq. - 0•16 ans
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