Advertisements
Advertisements
प्रश्न
Simplify:
6a2 + (2a2 − a2) − (a2 − b2)
योग
उत्तर
6a2 + (2a2 − a2) − (a2 − b2)
= 6a2 + a2 − a2 + b2
= 6a2 + b2
shaalaa.com
Concept of Substitution
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
If a = 3, b = 0, c = 2 and d = 1, find the value of 3a + 2b − 6c + 4d
State true and false:
The value of 2x – 3 = 1, when x = 0
Evaluate:
(9a – 3a) + 4a
Evaluate:
(3y + 8y) – 5y
Simplify:
12x − (5x + 2x)
Fill in the blank:
2t + r − p − q + s = 2t + r − (..................)
Insert the bracket as indicated:
x − 2y = − (...................)
If x = 3, y = 2 and z = 1; find the value of xy + y2z – 4zx
If P = − 12x2 – 10xy + 5y2, Q = 7x2 + 6xy + 2y2, and R = 5x2 + 2xy + 4y2 ; find P + Q + R
Multiply and then evaluate:
(x – 2y + z) and (x – 3z); when x = − 2, y = − 1 and z = 1.
