evaluate 8.1 using identity -1
Answers
Answered by
37
formulae-a^2+2ab+b^2
(8+0.1)
(8^2+2×8×0.1+0.1^2)
64+1.6+0.2
64+1.8
65.8
(8+0.1)
(8^2+2×8×0.1+0.1^2)
64+1.6+0.2
64+1.8
65.8
Answered by
40
Answer:
65.61
Step-by-step explanation:
Formula=a^2+2ab+b^2
Now, taking a=8 and b=0.1(8+0.1)
So,(8)^2 +2x8x0.1+(0.1)^2
=64+1.6+0.01=65.61
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