App Logo

No.1 PSC Learning App

1M+ Downloads

If a and b are the roots of x2+x2=0x^2 + x - 2 = 0, then the quadratic equation in x whose roots are 1a+1b\frac1a + \frac1b and ab is:

A2x2+3x2=02x^2+3x-2=0

B2x25x2=02x^2-5x-2=0

C2x2+5x2=02x^2+5x-2=0

D2x23x+2=02x^2-3x+2=0

Answer:

2x2+3x2=02x^2+3x-2=0

Read Explanation:

image.png

Conclusions II and III follow


Related Questions:

If x²+2x+9 = (x-2)(x-3), then the resultant equation is:

p(x)=2x2+3x+7p(x) =2x^2+3x+7,q(x)=6x2+8x9q(x)=6x^2+8x-9Find p(x)×q(x)p(x)\times{q(x)}

The sum of roots of the equation 5x211x+6=05x^2-11x+6= 0 is:
image.png
The equation x²-6x+9=0 can be written as: