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प्रश्न
If `veca` = 5 and –2 ≤ λ ≤ 1, then the sum of greatest and the smallest value of `|λveca|` is ______.
पर्याय
–5
5
10
15
MCQ
रिकाम्या जागा भरा
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उत्तर
If `veca` = 5 and –2 ≤ λ ≤ 1, then the sum of greatest and the smallest value of `|λveca|` is 10.
Explanation:
–2 ≤ λ ≤ 1
`|λveca|=|λ||veca|`
= 5|λ|
Greatest value = 5(2) = 10
Smallest value = 5 (0) = 0
= 10 + 0
= 10
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