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Someone please help me with the question no. A4 its answer is (B)

Pushkar Kumar , 6 Years ago
Grade 12
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear student
 
sqrt(2) (sin x- cos x) can go from [2, – 2]
 
hence 
log sqrt(5) (1) to log sqrt (5) (5)
 
henc erange will be [0, 2] 

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