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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
Add: 3p2q2 - 4pq + 5, - 10p2q2, 15 + 9pq + 7p2q2
Subtract:
\[x^2 y - \frac{4}{5}x y^2 + \frac{4}{3}xy \text { from } \frac{2}{3} x^2 y + \frac{3}{2}x y^2 - \frac{1}{3}xy\]
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
The expressions 8x + 3y and 7x + 2y cannot be added
Add:
7a2bc, –3abc2, 3a2bc, 2abc2
Add:
3a(2b + 5c), 3c(2a + 2b)
Add the following expressions:
a2 + 3ab – bc, b2 + 3bc – ca and c2 + 3ca – ab
Add the following expressions:
t – t2 – t3 – 14; 15t3 + 13 + 9t – 8t2; 12t2 – 19 – 24t and 4t – 9t2 + 19t3
