Question

011. Evaluate using suitable identity and write the answer in standard form
i] (998)²
il (558)² - (442)²
Q12. Find the product (p -7p+6)(p²+8p-9)​

Answer 1

Answer:

i 999996

ii pata nahi

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

11.)

i) (1000-2)² = 1000² + 2² - 2×1000×2 = 1000000 + 4 - 4000

= 996004

ii) (558+442)(558-442) = 1000× 116 = 116000

12.)

(p²-7p+6)(p²+8p-9)

= (p-6)(p-1)(p-9)(p+1)

= (p²-1)(p²-15p+54)

= (p⁴ - 15p³ +54p² - p² +15p - 54)

= p⁴ - 15p³ + 53p² + 15p - 54