MCQ
If $f(x) = mx + c,f(0) = f'(0) = 1$ then $f(2) = $
- A$1$
- B$2$
- ✓$3$
- D$-3$
Therefore $f(2)=2×1+1=3$
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$A\left[ {\begin{array}{*{20}{c}}
1&2&3 \\
0&2&3 \\
0&1&1
\end{array}} \right] = \left[ {\begin{array}{*{20}{c}}
0&0&1 \\
1&0&0 \\
0&1&0
\end{array}} \right]$ Then $A^{-1}$ is