1²-2²+3²-4²+5²-6²+_ _ _ 97²-98²
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Step-by-step explanation:
1²-2²+3²-4²+5²-6²+_ _ _ 97²-98²
in the equation the odd number is positive and even number is negative
so the addition of odd number between 1 to 100 is= 2401
(2401)^2= 5764801
so the addition of even number between 1 to 100 is= -2450
(-2450)^2= 6002500
1²-2²+3²-4²+5²-6²+_ _ _ 97²-98²
= 5764801+6002500
= 11767301
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