If the factors of p2 + q2 + 2(pq + qr + rp) are (p + q + m) and (p + q +nr), find the value of m + n.
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If the factors of p2 + q2 + 2(pq + qr + rp) are (p + q + m) and (p + q +nr), find the value of m + n.
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Step-by-step explanation:
Given If the factors of p2 + q2 + 2(pq + qr + rp) are (p + q + m) and (p + q +nr), find the value of m + n.
- So the equation is p^2 + q^2 + 2 (pq + qr + pr).
- The factors of the equation are (p + q + m) and (p + q + nr).
- We need to find the value for m + n
- Equating the factors to 0 we get
- So p + q + m = 0 and p + q + nr = 0
- So m = - (p + q)
- Similarly p + q + nr = 0
- So nr = - (p + q)
- Or n = - (p + q) / r
- Now m + n = - (p + q) – (p + q) / r
- Or m + n = - (p + q) ( 1 + 1/r)
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