Advertisements
Advertisements
प्रश्न
If m = 9x2 - 4xy + 5y2 and n = - 3x2 + 2xy - y2 find: m - 3n
बेरीज
Advertisements
उत्तर
m = 9x2 - 4xy + 5y2
n = - 3x2 + 2xy - y2
∴ m - 3n
= (9x2 - 4xy + 5y2) - 3 (- 3x2 + 2xy - y2)
= 9x2 - 4xy + 5y2 + 9x2 - 6xy + 3y2
= 18x2 - 10xy + 8y2
shaalaa.com
Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Subtract: - 5a - 2b from b + 6c
Subtract: 4x2 - 5x2y + y2 from - 3y2 + 5xy2 - 7x2 - 9x2y
The perimeter of a rectangle is 28x3+ 16x2 + 8x + 4. One of its sides is 8x2 + 4x. Find the other side
Simplify: - (7 + 6x) - 7(x + 2)
Multiply: 6a - 5b and - 2a
Multiply: 9xy + 2y2 and 2x - 3y
Multiply: mn4, m3n and 5m2n3
Simplify: `"2b"/5 - "7b"/15 + "13b"/3`
Simplify: `"m"/5 - "m - 2"/3 + "m"`
Simplify: `("y"/6 + "2y"/3) div ("y" + ("2y" - 1)/3)`
