All the values of for which both roots of the equation are greater than -2 but less than 4 lie in the interval |
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a) |
b) |
c) |
d) |

All the values of for which both roots of the equation are greater than -2 but less than 4 lie in the interval |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(b)**

According to the equation,

and

Now,

...(i)

...(ii)

and ...(iii)

And

and ...(iv)

From Eqs. (i), (ii), (iii) and (iv), we get lie between and 3

127 votes

127