Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If `3(a+2c) = 4 (b+3d)`, then the equation `ax^3 +bx^2 +cx+d =0` will have - Sarthaks eConnect

If `3(a+2c) = 4 (b+3d)`, then the equation `ax^3 +bx^2 +cx+d =0` will have

no real solution

at least one real root in (-1,0)

at least one real root in (0,1)

at least one real root in (-2,-1)

Solution

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Best answer

so, according to Rolle's theorem , there exists at least one root of f'(x)=o in (-1,0)