Advertisements
Advertisements
प्रश्न
Solve the following : `("x" - 1/2)^2 = 4`
Advertisements
उत्तर
`("x" - 1/2)^2 = 4`
`"x"^2 - "x" + 1/4 = 4`
`"x"^2 - "x" - 15/4 = 0`
`"x"^2 + 3/2 "x" - 5/2 "x" - 15/4 = 0`
`"x" ("x" + 3/2) - 5/2 ("x" + 3/2) = 0`
`("x" + 3/2)("x" - 5/2) = 0`
x = `-3/2` , x = `5/2`
APPEARS IN
संबंधित प्रश्न
Solve the following quadratic equation by factorization method: 9x2-25 = 0
Solve the following quadratic equation by factorization method : `3x^2-29x+40=0`
Solve the following quadratic equations by factorization:
`(x-1/2)^2=4`
Solve of the following equations, giving answer up to two decimal places.
3x2 – x – 7 =0
Solve the following quadratic equations by factorization:
`(2x – 3)^2 = 49`
Divide 57 into two parts whose product is 680.
Factorise : m2 + 5m + 6.
Write the number of zeroes in the end of a number whose prime factorization is 22 × 53 × 32 × 17.
Solve the following equation by factorization
`(2)/(3)x^2 - (1)/(3)x` = 1
If Zeba were younger by 5 years than what she really is, then the square of her age (in years) would have been 11 more than five times her actual age. What is her age now?
