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(a+b)(a-b) Expansion and Visualisation

Question 8 ii...

Question

Question 8 (ii)

If p = - 10, find the value of $p^{2} - 2 p - 100$

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Solution

$p^{2} - 2 p - 100 = (- 10)^{2} - 2 (- 10) - 100$ [Putting p = - 10]
= 100 + 20 -100 = 20

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Similar questions

(i) If z = 10, find the value of z³ − 3 (z − 10).

(ii) If p = − 10, find the value of p² − 2p − 100

p = - 10

p^{2} - 2 p - 100

sec θ = 2 p

tan θ = \frac{2}{p}

2 (p - \frac{1}{p^{2}})

p = (- 2)

p^{2} + 2 p + 12

p^{2} + 6 p - 16

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