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Let `x^2+y^2+x y+1geqa(x+y)AAx ,y in R ,`then the number of possible integer (s) in the range of `a`is___________.A. `0`B. `2`C. `3`D. infinite |
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Answer» Correct Answer - C `x^(2)+x(y-a)+y^(2)-ay+1ge0,AAxepsilonR` `implies(y-a)^(2)-4(y^(2)-ay+1)le0` `Dle0` |
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