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a²+b²=1, c²+d²=1, p²+q²=1 then which of the following is true?(a) ab+cd+pq>=1 (c) ab+cd+pq=3 (d) ab+cd+pq |
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Answer» a²+b²=1, c²+d²=1, p²+q²=1 then which of the following is true? (a) ab+cd+pq>=1 (c) ab+cd+pq<3 (b) ab+cd+pq>=3 (d) ab+cd+pq<=(3/2) |
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