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Question : 102 of 200
Marks:
+1,
-0
Solution:
We have
‌a⋅=a⋅(+)=a⋅+a⋅‌ a ‌=0‌‌ Also, ‌‌‌a⋅=a⋅(++)‌a⋅+a⋅=a⋅+a+a⋅‌⇒‌‌⋅=0‌‌ Also, ‌‌‌⋅=⋅=⋅=0‌‌ Then ‌a=‌
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