Add 9p²-10pq+5pq² and -2pq+3p²-2p²
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Answer:
9p² - 10pq + 5pq² + ( -2pq + 3p² - 2p²)
= 9p² - 10pq + 5pq² - 2pq + 3p² - 2p²
comparing like terms
= 9p² + 3p² - 2p² -10pq - 2pq + 5pq²
= 10p² - 12p² + 5pq² Answer
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calculate the frequency of the wave.
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