1.Relation and Function
easy

જો $f$ એ મહતમ પૂર્ણાક વિધેય હોય અને $g$ એ માનાંક વિધેય હોય, તો $(gof)\left( { - \frac{5}{3}} \right) - (fog)\left( { - \frac{5}{3}} \right) = $

A

$1$

B

$-1$

C

$2$

D

$4$

Solution

(a) Given $(gof)\,\,\left( {\frac{{ – 5}}{3}} \right) – (fog)\,\left( {\frac{{ – 5}}{3}} \right)$

$ = g\,\left\{ {f\left( {\frac{{ – 5}}{3}} \right)} \right\} – f\left\{ {g\left( {\frac{{ – 5}}{3}} \right)} \right\} = g( – 2) – f\left( {\frac{5}{3}} \right) = 2 – 1 = 1$ .

Standard 12
Mathematics

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