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In the video Question type-By Factorisation and by introducing auxiliary argument, for the question secx-1=(sqrt(2)-1)tanx
r is taken as 4-2*sqrt(2) instead of sqrt( 4-2*sqrt(2))
Can you please clarify?

Sangamithra V Praveen , 7 Years ago
Grade
anser 1 Answers
Anish Singhal
Please upload the image of question or write question properly
Last Activity: 7 Years ago
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