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Question

If 313+1=a+b3, find the values of a and b.

A
a=2,b=1
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B
a=2,b=1
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C
a=2,b=1
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D
a=2,b=1
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Solution

The correct option is D a=2,b=1
313+1

=313+1×3131

=(31)2(3)212

=3+12331
=4232
=23

=a+b3
a=2,b=1

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