Advertisements
Advertisements
प्रश्न
Evaluate: (5m - 2n)(5m + 2n)(25m2 + 4n2)
बेरीज
Advertisements
उत्तर
(5m - 2n)(5m + 2n)(25m2 + 4n2)
= {5m (5m + 2n) - 2n(5m + 2n)} (25m2 + 4n2)
= (25m2 + 10mn - 10mn - 4n2)(25m2 + 4n2)
= (25m2 - 4n2)(25m2 + 4n2)
= 25m2 (25m2 + 4n2) - 4n2 (25m2 + 4n2)
= 625m4 + 100m2n2 - 100m2n2 - 16n4
= 625m4 - 16n4
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
Find the excess of 4m2 + 4n2 + 4p2 over m2+ 3n2 – 5p2
Simplify: 3x + 5(2x + 6) - 7x
Simplify: 3(4y - 10) 2(y - 1)
Simplify: 2x - y + 5 - (x - y)
Simplify: 2(x - y) - (x - 8)
Simplify: 4(3x - 8) - 3(5x + 3) - 2(6x - 8)
Multiply: - 3m2n + 5mn - 4mn2 and 6m2n
Copy and complete the following multi-plication:
ax - b
× 2ax + 2b2
Simplify: `"y"/4 +"3y"/5`
Simplify: `"2b"/5 - "7b"/15 + "13b"/3`
