Class 12 Continuity And Differentiability · Conceptual Answer1 Markscontinuity_parameters
Class 12 Maths · Continuity And Differentiability · Conceptual Answer #38
Let f(x)=kx/|x| for x<0 and f(x)=3 for x≥0. Find k for continuity at 0.
✅ Step-by-Step Solution
Final Answer: k=−3
- On the left x/|x|=−1, so the left limit is −k; the right limit and value are 3. Thus −k=3.
- k=−3
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] On the left x/|x|=−1, so the left limit is −k; the right limit and value are 3. Thus −k=3.
- [0.5 marks] k=−3
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