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प्रश्न
Add: 5m - 7n, 3n - 4m + 2, 2m - 3mn - 5
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उत्तर
(5m - 7n) + (3n - 4m + 2) + (2m - 3mn - 5)
= 5m - 7n + 3n - 4m + 2 + 2m - 3mn - 5
= 5m - 4m + 2m - 7n + 3n - 3mn + 2 - 5
= m (5 - 4 + 2) + n (-7 + 3) -3mn + 2 - 5
= 3m - 4n - 3mn - 3
संबंधित प्रश्न
Subtract 3xy + 5yz − 7zx from 5xy − 2yz − 2zx + 10xyz.
Add: 3mn, − 5mn, 8mn, −4mn
Add the following algebraic expression:
\[\frac{2}{3}a, \frac{3}{5}a, - \frac{6}{5}a\]
Subtract:
\[\frac{ab}{7} - \frac{35}{3}bc + \frac{6}{5}ac \text { from } \frac{3}{5}bc - \frac{4}{5}ac\]
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Add:
7a2bc, –3abc2, 3a2bc, 2abc2
Add the following expressions:
x3 – x2y – xy2 – y3 and x3 – 2x2y + 3xy2 + 4y
Add the following expressions:
x3y2 + x2y3 + 3y4 and x4 + 3x2y3 + 4y4
Add the following expressions:
p2qr + pq2r + pqr2 and – 3pq2r – 2pqr2
Each symbol given below represents an algebraic expression:
= 2x2 + 3y, 
= 5x2 + 3x, 
= 8y2 – 3x2 + 2x + 3y
The symbols are then represented in the expression:
Find the expression which is represented by the above symbols.
