find the value of p so that quadratic equation px(x-3)+9=0
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open the bracket,you get..
a = p,
b = -3p,
c= 9,
formula for discriminant,
(-3p × - 3p) - 4× 9 × p = 0;
we get p= 4.
hope the answer helps you..
a = p,
b = -3p,
c= 9,
formula for discriminant,
(-3p × - 3p) - 4× 9 × p = 0;
we get p= 4.
hope the answer helps you..
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