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)
Simplify combining like terms: 3a - 2b - ab - (a - b + ab) + 3ab + b - a
Simplify combining like terms: 5x2y − 5x2 + 3y x2 − 3y2 + x2 − y2 + 8xy2 −3y2
Add: 4x2y, - 3xy2, - 5xy2, 5x2y
Subtract: 6xy from − 12xy
Subtract: 5a2 - 7ab + 5b2 from 3ab - 2a2 -2b2
Subtract:
\[\frac{ab}{7} - \frac{35}{3}bc + \frac{6}{5}ac \text { from } \frac{3}{5}bc - \frac{4}{5}ac\]
Add:
3y2 − 10y + 16; 2y − 7
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Add the following expressions:
p2qr + pq2r + pqr2 and – 3pq2r – 2pqr2
