simplify using shortcut method - (39) cube
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Answered by
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we have to find 39³ by shortcut method
so we have an identity_(a+b)³=(a+b)(a²+2ab+b²)
39=30+9
(30+9)³=30+9(30²+2*30*9+9²)
=(900+540+81)39
=1521*39
=59319
If satisfied please mark it as brainliest
so we have an identity_(a+b)³=(a+b)(a²+2ab+b²)
39=30+9
(30+9)³=30+9(30²+2*30*9+9²)
=(900+540+81)39
=1521*39
=59319
If satisfied please mark it as brainliest
navlesh92:
thanks
Answered by
0
Answer:
cube and square 39 ka nikalna hai
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