MCQ
જો $|a_i| < 1,\lambda_i\geq0\ i=1,2,......,n$ અને $\lambda_1+\lambda_2+...+\lambda_n=1,$ તો $|\lambda_1a_1+\lambda_2a_2+...+\lambda_na_n|$ ની કિંમત :
- ✓3
- B1
- C5
- D6
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