Advertisements
Advertisements
प्रश्न
Find the value of the following expression, when x = -1:
x2 + 2x + 1
योग
Advertisements
उत्तर
x2 + 2x + 1
= (-1) × (-1) + 2 × (-1) + 1
= 1 - 2 + 1
= 0
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Algebraic Expressions - EXERCISE 10.2 [पृष्ठ १६८]
APPEARS IN
संबंधित प्रश्न
If m = 2, find the value of m − 2.
If m = 2, find the value of 3m − 5.
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3a + 5 - 8a + 1
If x = – 6, evaluate:
2x3
If a = 5 and b = 6, evaluate:
2b2
If y = 5 and z = 2, evaluate:
9y2z
If m = − 8, evaluate:
`"m"^2/4`
If p = − 10, evaluate:
`"p"^2/50`
If x = 2 and y = − 4, evaluate:
11xy
Evaluate the expression \[n^3+5n^2+5n-2\] n = −2.
