honeynasr honeynasr

16-07-2021
Mathematics

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If 81y^2-k=9y^2-(1/2)^2 what is the value of k

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devishri1977 devishri1977

16-07-2021

Answer:

k = 1/4

Step-by-step explanation:

81y² - k = (9y)² - (1/2)²

(9y)² - k = (9y)² - (1/2)²

k = (1/2)² = 1/4

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