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if `p^(2)+2q^(2)+5r^(2)+2pq-4qr+6p+6q-2r+10le0` for `p,q,r in R` then identify correct option?A. `p+q^(2)+r^(2)=0`B. `2q+r+p=0`C. `r^(p)=3q+p`D. `2^(3q+p)=p^(2)+r-2q` |
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Answer» Correct Answer - A::C::D `(p+q+3)^(2)+(q-2r)^(2)+(r-1)^(2)le0` `r=1` `q=2` `p+q+3=0` `p=-5` incorrect option is (B) |
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