Mathematics Tes...

The equations of common tangents to hyperbola x²/a² – y²/b² = 1 and y²/a² – x²/b² = 1, are

If a,b,c be in A.P. and b,c,d be in H.P., then

If two roots of the equation $x^3-3x+2=0$ are same, then the roots will be

One root of the equation cos x - x + 1/2 = 0 lies in the interval

If the roots of the equation q$x^2$ + p$x$ + q = 0 where p, q are real, are complex, then the roots of the equation $x^2$ - 4q$x$ + $p^2$ = 0 are

If f(x) = x (√x - √(x+1) then:

In a \(\Delta \mathrm{ABC}\), if \(\frac{\cos A}{a}=\frac{\cos B}{b}=\frac{\cos C}{c}\), and the side \(\mathrm{a}=2\), then area of the triangle is :

If a₁, a₂, a₃ are in H.P., then