Find squares of 68 without actual multiplying.
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Answered by
2
Answer:
[ 68 ]^2
= [60 + 8 ] ^ 2 = ( 60+ 8) ( 60+8)
[ a + b ]^2 = (a)^2 + 2ab + (b)^2
= [ 60 ] ^2 + 2 x 60 x 8 + [ 8 ] ^ 2
= 3600 + 960 + 64
= 4624
Step-by-step explanation:
4624 is the answer
hope you find this helpful...
Answered by
1
Answer:
4624 is the answer
Step-by-step explanation:
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