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Question : 6 of 160
Marks:
+1,
-0
Solution:
‌||+||+||+||+...+∞‌=(2−3)+(1−3×‌)+(‌−3×‌)+(‌−3×‌)+(‌−3×‌)+...+∞‌=−1+0+(‌−‌)+(‌−‌)+(‌−‌)+...+∞‌=−1+[(‌+‌+‌+‌+...∞)−(‌+‌+‌+‌+...+∞)]‌=−1+(‌)−(‌)(Using sum of infinite GP formula)
=−1+‌−‌=−1+1−‌=−‌
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