Math, asked by himakesh17, 6 months ago

a) –
The maximum value of 10x - 5x2 – 1 is

Answers

Answered by deva1424

5

Step-by-step explanation:

= -5 ( x2 - 2x) - 1

= -5 (x2 - 2x + 1 - 1) - 1

= -5 (x - 1)2 + 5 - 1

= 4 - 5 (x - 1)2

Since ( x - 1 )2 >= 0

-5 (x - 1)2 <= 0

4 - 5 (x - 1)2 <= 4

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