1.

Find the correct statement for the following :

Answer»

If `alpha` and `BETA` are the roots of `X^2+3x+7=0` then this equationwhose roots are `alpha+1` and `beta+1` is `x^2+x+5=0`
The quadratic equation `ax^2+bx+c=0` will have equal roots if its discriminant `b^2-4ac` is NEGATIVE
A zero of `x^3+8=0` is -8
The number of real roots is `(0,2pi)`satisfying`sin^2x-3 sin x +2=0` is 4.

ANSWER :A


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