Advertisements
Advertisements
प्रश्न
Solve the following quadratic equation using formula method only
6x2 + 7x - 10 = 0
उत्तर
6x2 + 7x - 10 = 0
a = 6 ; b = 7 ; c = -10
D = b2 - 4ac
= (7)2 - 4(6)(-10)
= 49 + 240
= 289
x = `(- "b" ± sqrt ("b"^2 - 4 "ac"))/(2a)`
x = `(-7 +- sqrt 289)/12`
APPEARS IN
संबंधित प्रश्न
Solve the following quadratic equation by factorization method : `3x^2-29x+40=0`
Solve the following quadratic equations by factorization:
(x − 4) (x + 2) = 0
Solve the following quadratic equations by factorization:
`(2x)/(x-4)+(2x-5)/(x-3)=25/3`
Solve the following quadratic equation by factorization.
`2"x"^2 - 2"x" + 1/2 = 0`
Solve the following quadratic equations by factorization:
\[3\left( \frac{7x + 1}{5x - 3} \right) - 4\left( \frac{5x - 3}{7x + 1} \right) = 11; x \neq \frac{3}{5}, - \frac{1}{7}\]
If the sum of the roots of the equation \[x^2 - \left( k + 6 \right)x + 2\left( 2k - 1 \right) = 0\] is equal to half of their product, then k =
Solve the following : `("x" - 1/2)^2 = 4`
A two digit number is four times the sum and 3 times the product of its digits, find the number.
The area of the isosceles triangle is 60 cm2, and the length of each one of its equal side is 13cm. Find its base.
Solve the following quadratic equation by factorization method.
3p2 + 8p + 5 = 0
