Advertisements
Advertisements
प्रश्न
Evaluate: (2 − z) (15 − z)
बेरीज
Advertisements
उत्तर
(2 − z) (15 − z) = 2(15 − z) −z(15 − z)
= 30 − 2z − 15z + z2
= 30 − 17z + z2
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaluate the following using identities:
(0.98)2
Simplify: `(a + b + c)^2 - (a - b + c)^2`
If a + b + c = 9 and ab + bc + ca = 23, find the value of a2 + b2 + c2.
Simplify the following expressions:
`(x^2 - x + 1)^2 - (x^2 + x + 1)^2`
If a + b = 10 and ab = 21, find the value of a3 + b3
If a + b + c = 9 and ab +bc + ca = 26, find the value of a3 + b3+ c3 − 3abc
If \[x^3 - \frac{1}{x^3} = 14\],then \[x - \frac{1}{x} =\]
The product (x2−1) (x4 + x2 + 1) is equal to
Use the direct method to evaluate :
`("z"-2/3)("z"+2/3)`
Evaluate: 20.8 × 19.2
