Advertisements
Advertisements
प्रश्न
125 + 8x3 - 27 y3 + 90xy
Advertisements
उत्तर
= 53 + (2x)3 + (-3y )3 - 3 × 5 × 2x × (-3y )
= (5 + 2x + (-3y ))(52 + (2x)2 + (-3y )2 - 5(2x) - 2x (-3y ) - (-3y )5)
= (5 + 2x - 3y )(25 + 4x2 + 9 y2 -10x + 6xy +15 y )
∴ 125 + 8x3 - 27 y3 + 90xy = (5 + 2x - 3y)(25 + 4x2 + 9 y2 -10x + 6xy +15y )
APPEARS IN
संबंधित प्रश्न
Factorize x3 + 8y3 + 6x2 y +12xy2
Find the value of the following expression: 16x2 + 24x + 9, when \[x = \frac{7}{4}\]
What must be added to the following expression to make it a whole square?
4x2 − 12x + 7
Evaluate: `(1/2 "a" + 1/2 "b") (1/2 "a" - 1/2 "b")`
Evaluate: (8 - 12x + 7x2 - 6x3)(5 - 2x)
Evaluate: (4x2 - 4x + 1)(2x3 - 3x2 + 2)
Divide: 35a3 + 3a2b - 2ab2 by 5a - b
The simplest form of 5 ÷ `(3/2) - 1/3` is ______.
Will the value of 11x for x = –5 be greater than 11 or less than 11? Explain.
Which of the following is an example of a monomial?
