Using suitable identites find (3.7)sq
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(3+0.7)^2
9 +.49 +4.2
13.69
9 +.49 +4.2
13.69
Nikki57:
wrong answer
pls correct
Answered by
0
(a+b)² = a²+2ab+b²
(3+0.7)² = 3²+ 2*3*0.7 +(0.7)²
= 9 +4.2 +0.49
=13.69
(3+0.7)² = 3²+ 2*3*0.7 +(0.7)²
= 9 +4.2 +0.49
=13.69
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