Advertisements
Advertisements
प्रश्न
Multiply: (2x + 3y)(2x + 3y)
Advertisements
उत्तर
(2x + 3y)(2x + 3y)
⇒ 2x (2x + 3y) + 3y(2x + 3y)
⇒ 4x2 + 6xy + 6xy + 9y2
⇒ 4x2 + 12xy + 9y2
APPEARS IN
संबंधित प्रश्न
Factorize : x2 − 1 − 2a − a2
The expression (a − b)3 + (b − c)3 + (c −a)3 can be factorized as
Write the number of the term of the following polynomial.
5x2 + 3 x ax
Write the number of the term of the following polynomial.
ax – by + y x z
Multiply: (2x - 3y)(2x + 3y)
Divide: 6x3 + 5x2 − 21x + 10 by 3x − 2
A school has a rectangular playground with length x and breadth y and a square lawn with side x as shown in the figure given below. What is the total perimeter of both of them combined together?
The rate of planting the grass is ₹ x per square metre. Find the cost of planting the grass on a triangular lawn whose base is y metres and height is z metres.
Rohan’s mother gave him ₹ 3xy2 and his father gave him ₹ 5(xy2 + 2). Out of this total money he spent ₹ (10 – 3xy2) on his birthday party. How much money is left with him?
Will the value of 11x for x = –5 be greater than 11 or less than 11? Explain.
