If A=1-2+3-4+5+......+99;B=2+4+6+8+....... +100 then the value of A+B
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2
Answer:
9901
Step-by-step explanation:
Given
A = 1 + 3 + 5 + .... 99 - (2 + 4 + 6 + ..... + 98)
B = 2 + 4 + 6 + ..... + 100
∴ A + B = 1 + 3 + 5 + .... 99 - (2 + 4 + 6 + ..... + 98) + 2 + 4 + 6 + ..... + 98 + 100
= 99² + 100 [∵ sum of first n odd natural numbers = n²]
= 9801 + 100
= 9901
Answered by
1
Answer:
both are same answer
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