Question

find the zero of the polynomial xpower2 -7.

please give me answer faster with step by step ​

Answer 1

Answer:

Step-by-step explanation:

p(x) = x² - 7

p(x) = 0

x² - 7 = 0

x² = 7

x = √7

∴ the zero is √7.

Let's verify -

p(√7) = (√7)² - 7

= 7 - 7

= 0

Hence Verified.

Answer 2

Answer:

Step-by-step explanation:

p(x) = x² - 7

p(x) = 0

x² - 7 = 0

x² = 7

x = √7

∴ the zero is √7.

Let's verify -

p(√7) = (√7)² - 7

= 7 - 7

= 0

Hence Verified.

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