Find the value of p for which the quadratic equationhas real and equal roots. 2x^2+px+9/2=0
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d=b2-4ac
d=0 because it has real and equal roots.
after taking L. c. m equation will be 4x2+2px+9
a=4,b=2p,c=9
d=(2p)2-4*4*9
0=4p2-144
4p2=144
p2=144/4
p2=36 taking root both sides
p=6
d=0 because it has real and equal roots.
after taking L. c. m equation will be 4x2+2px+9
a=4,b=2p,c=9
d=(2p)2-4*4*9
0=4p2-144
4p2=144
p2=144/4
p2=36 taking root both sides
p=6
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