Advertisements
Advertisements
प्रश्न
If x = 2 and y = 3, then find the value of the following expressions
2x – 3y
Advertisements
उत्तर
Given: x = 2, y = 3
2x – 3y = 2(2) – 3(3) = 4 – 9
= 4 + (Additive inverse of 9)
= 4 + (– 9)
= – 5
APPEARS IN
संबंधित प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
Numbers x and y both squared and added.
Factorize `2a^2 + 2 sqrt6ab + 3b^2`
Factorize x4 + x2 y2 + y4
Factorize the following expressions:
x3y3 + 1
If x + y = 4 and xy = 2, find the value of x2 + y2
Multiply: x2 + 4y2 + 2xy − 3x + 6y + 9 by x − 2y + 3
If a2 + b2 + c2 = 20 and a + b + c = 0, find ab + bc + ca.
Write the value of 303 + 203 − 503.
Mark the correct alternative in each of the following: The factors of a2 − 1 − 2x − x2 are
The expression x4 + 4 can be factorized as
Multiply: (2x - 3y)(2x - 3y)
Multiply: (-2x + 3y)(2x - 3y)
Divide: 2m3n5 by - mn
Divide: x5 - 15x4 - 10x2 by -5x2
Divide: m3 − 4m2 + m + 6 by m2 − m − 2
Find the average (A) of four quantities p, q, r and s. If A = 6, p = 3, q = 5 and r = 7; find the value of s.
Write the coefficient of x2 and x in the following polynomials
`4 + 2/5x^2 - 3x`
The value of 7a – 4b when a = 3, b = 2 is
Express the following properties with variables x, y and z.
Distributive property of multiplication over addition
