Math, asked by siddusiddu2262, 4 months ago

the value of 'a', if f (x) = 1/x + ax and f (1/5) =28x5 is

Answers

Answered by MH99

0

Answer:

90

Step-by-step explanation:

f(x)= 1/x + ax

f(1/5)= 1/(1/5) +a.1/5

= 5+ a/5

= (25+a)/5

Given that, f(1/5)= 23x5

=> (25+a)/5= 115. 1/5

=> 25+a= 115 [Eliminating denominator 5]

=> a= 90

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