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प्रश्न
The sum of –7pq and 2pq is ______.
पर्याय
–9pq
9pq
5pq
– 5pq
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उत्तर
The sum of –7pq and 2pq is – 5pq.
Explanation:
Given, monomials are –7pq and 2pq.
∴ Their sum = –7pq + 2pq = (–7 + 2)pq ...[Both monomials consist of like terms, so adding their numerical coefficient]
= – 5pq
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संबंधित प्रश्न
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\[\frac{2}{3}a, \frac{3}{5}a, - \frac{6}{5}a\]
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\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
If \[x + \frac{1}{x} = 9,\] find the value of \[x^4 + \frac{1}{x^4} .\]
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