Advertisements
Advertisements
प्रश्न
Find the sum of the following expressions
u + v, u – v, 2u + 5v, 2u – 5v
Advertisements
उत्तर
(u + v) + (u – v) + (2u + 5v) + (2u – 5v)
= u + v + u – v + 2u + 5v + 2u – 5v
= u + u + 2u + 2u + v – v + 5v – 5v
= (1 + 1 + 2 + 2)u + (1 – 1 + 5 – 5)v
= 6u + 0v
= 6u
APPEARS IN
संबंधित प्रश्न
Simplify combining like terms: p − (p − q) − q − (q − p)
Subtract: (a - b) from (a + b)
Subtract: -m2 + 5mn from 4m2 - 3mn + 8
What should be subtracted from 2a + 8b + 10 to get - 3a + 7b + 16?
Add the following algebraic expression:
\[\frac{11}{2}xy + \frac{12}{5}y + \frac{13}{7}x, - \frac{11}{2}y - \frac{12}{5}x - \frac{13}{7}xy\]
Subtract:
− 5xy from 12xy
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Subtract:
\[\frac{3}{2}x - \frac{5}{4}y - \frac{7}{2}z \text { from }\frac{2}{3}x + \frac{3}{2}y - \frac{4}{3}z\]
Multiply: \[\left( \frac{x}{7} + \frac{x^2}{2} \right)by\left( \frac{2}{5} + \frac{9x}{4} \right)\]
Find the sum of the following expressions
a + 5b + 7c, 2a + 10b + 9c
