Advertisements
Advertisements
प्रश्न
`a^2b^2x^2+b^2x-1=0`
उत्तर
`a^2b^2x^2+b^2x-a^2x-1=0`
`⇒b^2x(a^2x+1)-1(a^2x+1)=0`
`⇒(b^2x-1)(a^2x+1)=0`
`⇒(b^2x-1)=0 or (a^2x+1)=0`
`⇒x=1/b^2 or x=(-1)/a^2`
Hence, `1/b^2` and `1/a^2` are the roots of the given equation.
APPEARS IN
संबंधित प्रश्न
Find the value of discriminant (Δ) for the quadratic equation: `x^2+7x+6=0`
Rs. 7500 were divided equally among a certain number of children. Had there been 20 less children, each would have received Rs. 100 more. Find the original number of children.
Solve:
x4 – 10x2 + 9 = 0
Solve the following equation using the formula:
3x2 + 2x – 1 = 0
Solve the following equation using the formula:
`x^2 - 6 = 2sqrt(2)x`
Which of the following are quadratic equation in x?
`(x+1/x)^2=2(x+1/x)+3`
`x^2-2ax(4b^2-a^2)=0`
Solve any two of the following.
Form a quadratic equation whose roots are 4 and -12.
The perimeter of a rectangular field is 82m and its area is 400m2, find the dimension of the rectangular field.
Find the value of x, if a + 1 = 0 and x2 + ax – 6 = 0.