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Negatives and Reciprocals

Find the valu...

Question

Find the value of $p - q - r$ when $p = 4, q = 2, r = 1$ .

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Solution

The value of $p - q - r$ when $p = 4, q = 2, r = 1$
$= 4 - 2 - 1 = 1$

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Similar questions

Q. If p = −2, q = −1 and r = 3, find the value of
(i) p² + q² − r²
(ii) 2p² − q² + 3r²
(iii) p − q − r
(iv) p³ + q³ + r³ + 3pqr
(v) 3p²q + 5pq² + 2pqr
(vi) p⁴ + q⁴ − r⁴

p = r (4 - r)

q = p (4 - p)

r = q (4 - q)

p \neq q \neq r \neq 0

Then find minimum value of

(p + q + r)

p + q + 3 r

w h e n p = 1, q = 5, r = 2

Q. Find the value of

p + q + 3 r, w h e n p = 1, q = 5, r = 2

Find the value of:

p + q + 3r, when p = 1, q = 5, r = 2.

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Negatives and Reciprocals

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