Advertisements
Advertisements
प्रश्न
If m = 2, find the value of 3m2 − 2m − 7.
योग
Advertisements
उत्तर
3m2 − 2m − 7 Putting m = 2 in the given equation
= 3 × 22 - 2 × 2 - 7
= 3 × 4 - 4 - 7
= 12 - 4 - 7
= 1
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Find the value of the following expression, when x = -1:
x2 + 2x + 1
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3x - 5 - x + 9
If x = 4, evaluate:
3x + 8
If m = 2, evaluate:
16m – 7
If m = 2, evaluate:
15m2 – 10m
If a = 5 and b = 6, evaluate:
3ab
If x = 5 and y = 4, evaluate:
8xy
If x = 5 and y = 4, evaluate:
3x2y
If m = 3 and n = 7, evaluate:
4n2
Evaluate the expression \[n^3+5n^2+5n-2\] n = −2.
