Advertisements
Advertisements
प्रश्न
If x = 3, y = 2 and z = 1; find the value of y2 – x2 + 6z2
बेरीज
उत्तर
x = 3, y = 2, z = 1
y2 – x2 + 6z2
= (2)2 − (3)2 + 6(1)2
= 4 – 9 + 6 × 1
= 4 – 9 + 6
= 10 – 9
= 1
shaalaa.com
Concept of Substitution
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
`"y"/"x"` = ...........
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
xy − bd = ..............
Evaluate:
(3y + 8y) – 5y
Simplify:
(a + b) − (c + d) − (e − f)
Simplify:
6a2 + (2a2 − a2) − (a2 − b2)
Fill in the blank:
3x − z + y = 3x − (..............)
Fill in the blank:
3m − 2n + 6 = 6 − (............)
Fill in the blank:
2t + r − p − q + s = 2t + r − (..................)
Insert the bracket as indicated:
m + n − p = − (.............)
Simplify:
`12"x"^2-(7"x"-overline(3"x"^2+15))`
