Advertisements
Advertisements
प्रश्न
Find the value of 3x3 – 4x2 + 5x – 6, when x = − 1.
बेरीज
Advertisements
उत्तर
3x3 – 4x2 + 5x – 6
= 3(− 1)3 − 4(− 1)2 + 5(− 1) − 6
= 3 × − 1 − 4 × 1 − 5 − 6
= − 3 − 4 − 5 − 6
= − 18
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If a = 3, b = 0, c = 2 and d = 1, find the value of a2 + b2 − c2 + d2
Simplify:
− (− 4a − 8a)
Simplify:
p + (− q − r − s) − (p − q − r)
Insert the bracket as indicated:
x − 2y = − (...................)
Insert the bracket as indicated:
a + 4b − 4c = a + (...............)
If x = 3, y = 2 and z = 1; find the value of xy + y2z – 4zx
Multiply and then evaluate:
(x2 – y) and (xy – y2); when x = 1 and y = 2.
Simplify:
5 (x + 3y) – 2 (3x – 4y)
Simplify:
3x – 8 (5x – 10)
Simplify:
`8"x"−(3"x"−overline(2"x"-3))`
