Advertisements
Advertisements
प्रश्न
If x = 2 and y = 3, then find the value of the following expressions
4y – x
उत्तर
Given: x = 2, y = 3
4y – x = 4(3) – 2
= 12 – 2
= 10
APPEARS IN
संबंधित प्रश्न
Factorize x2 - y2 - 4xz + 4z2
Factorize `x^2 + 5sqrt5x + 30`
Factorize `2x^2 + 3sqrt5x + 5`
`2sqrt2a^3 + 3sqrt3b^3 + c^3 - 3 sqrt6abc`
If x2 + y2 = 29 and xy = 2, find the value of x4 + y4 .
What must be added to the following expression to make it a whole square?
4x2 − 20x + 20
The value of \[\frac{(0 . 013 )^3 + (0 . 007 )^3}{(0 . 013 )^2 - 0 . 013 \times 0 . 007 + (0 . 007 )^2}\] is
Separate monomials, binomials, trinomials and polynomials from the following algebraic expressions :
8 − 3x, xy2, 3y2 − 5y + 8, 9x − 3x2 + 15x3 − 7,
3x × 5y, 3x ÷ 5y, 2y ÷ 7 + 3x − 7 and 4 − ax2 + bx + y
Evaluate: (6p2 - 8pq + 2q2) (- 5p)
Multiply: (2x - 3y)(2x - 3y)
The area of a rectangle is 6x2 – 4xy – 10y2 square unit and its length is 2x + 2y unit. Find its breadth.
Write in the form of an algebraic expression:
Perimeter (P) of a rectangle is two times the sum of its length (l) and its breadth (b).
Write in the form of an algebraic expression:
Area of a square is square of its side.
Solve the following equation.
4(x + 12) = 8
Write the coefficient of x2 and x in the following polynomials
`x^2 - 7/2 x + 8`
Write the variables, constant and terms of the following expression
7p – 4q + 5
Which of the following is correct?
The total number of planets of Sun can be denoted by the variable n.
In the given figure, the length of a green side is given by g and that of the red side is given by p.
Write an expression for the following pattern. Also write an expression if 100 such shapes are joined together.
