find the nature of the roots of the following equation 2x²+x-4
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Step-by-step explanation:
Frequency -- the number of oscillation per second........
Time period.-- the time taken by A vibrating ( oscillating ) object to complete one vibration....
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2x²+x-4
a=2 b=1 c=-4
D=b²-4ac
=1-4(2) (-4)
=1-(-32)
=1+32
= +33
Hence this eq. has two different real roots
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