Q.
If B is a natural number and it can be expressed as the sum of the first A consecutive odd natural numbers, then the value of B−A2 is __
141
153
Squares and Square Roots and Cubes and Cube Roots
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Solution:
Given B is a natural number.
The sum of the first A consecutive odd numbers required to give the sum equal to B. ∴A2=B (successive subtraction method) ∴B−A2=0