Advertisements
Advertisements
प्रश्न
Evaluate: (3x - 1)(4x3 - 2x2 + 6x - 3)
Advertisements
उत्तर
(3x - 1)(4x3 - 2x2 + 6x - 3)
= 3x (4x3 - 2x2 + 6x - 3) - 1 (4x3 - 2x2 + 6x - 3)
= 12x4 - 6x3 + 18x2 - 9x - 4x3 + 2x2 - 6x + 3
= 12x4 - 6x3 - 4x3 + 18x2 + 2x2 - 9x - 6x + 3
= 12x4 - 10x3 + 20x2 - 15x + 3
APPEARS IN
संबंधित प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
One-half of the sum of numbers x and y.
Factorize the following expressions:
a12 + b12
Simplify `(155 xx 155 xx 155 - 55 xx 55 xx 55)/(155 xx 155 + 155 xx 55 + 55 xx 55)`
8x3 -125y3 +180xy + 216
Divide: 9x2 - 24xy + 16y2 by 3x- 4y
Divide: x5 - 15x4 - 10x2 by -5x2
Divide: m3 − 4m2 + m + 6 by m2 − m − 2
Which of the following is correct?
In the formula, area of circle = πr2, the numerical constant of the expression πr2 is ______.
A student wrote an algebraic expression for “5 less than a number n divided by 3” as `n/3 - 5`. What error did the student make?
