Advertisements
Advertisements
प्रश्न
Factorize `2x^2 + 3sqrt5x + 5`
उत्तर
Splitting the middle term,
`= 2x^2 + 2sqrt5x + sqrt5x + 5` `[∵ 3sqrt5 = 2sqrt5 + sqrt5 " also " 2sqrt5 xx 5]`
`= 2x(x + sqrt5) + sqrt5(x + sqrt5)`
`= (x + sqrt5)(2x + sqrt5)`
`∴ 2x^2 + 3sqrt5x + 5 = (x = sqrt5)(2x + sqrt5)`
APPEARS IN
संबंधित प्रश्न
Factorize x (x3 - y3 ) + 3xy ( x - y )
Factorize `6ab - b^2 + 12ac - 2bc`
Factorize (x + 2)(x2 + 25) -10x2 - 20x
Factorize the following expressions:
x3y3 + 1
Divide: - 16ab2c by 6abc
Divide: 8x + 24 by 4
Express the following as an algebraic expression:
The sum of x and y minus m.
Write the coefficient of x2 and x in the following polynomials
`6 - 2x^2 + 3x^3 - sqrt(7)x`
Write the variables, constant and terms of the following expression
18 + x – y
Write the variables, constant and terms of the following expression
29x + 13y
