Advertisements
Advertisements
Question
If x = 3, y = 2 and z = 1; find the value of xy + y2z – 4zx
Sum
Advertisements
Solution
x = 3, y = 2, z = 1
xy + y2z – 4zx
= 3 × 2 + (2)2 × 1 − 4 × 1 × 3
= 6 + 4 − 12
= 10 − 12
= − 2
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
c ÷ b = ...........
Find the value of p + 2q + 3r, when p = 1, q = 5 and r = 2
Find the value of 3a − 2b, when a = 8 and b = 10
Evaluate:
(3y + 8y) – 5y
Simplify:
25y − (5x − 10y + 6x − 3y)
Simplify:
− (y − x) − (x + y − `overline(2"x"+"y")`)
Fill in the blank:
6p − 5x + q = 6p − (...........)
Fill in the blank:
3m − 2n + 6 = 6 − (............)
Insert the bracket as indicated:
m + n − p = − (.............)
Insert the bracket as indicated:
m2 + x2 − p2 = − (...................)
