EXERCISE 7.6
Chapter 9: Chapter 12 · MATHEMATICS-VOLUME 2 · EN medium
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EXERCISE . ( ) (i) absolute maximum = − , absolute minimum = − (ii) absolute maximum = , absolute minimum = − (iii) absolute maximum = , absolute minimum = − (iv) absolute maximum = , absolute minimum = ( ) (i) strictly increasing on −∞− , and , ∞ ) , strictly decreasing on − , local maximum = local minimum = − (ii) strictly decreasing on −∞ , and , ∞ ) . No local extremum. (iii) strictly increasing on −∞∞ . No local extremum. (iv) strictly decreasing on , ) , strictly increasing on , ∞ ) . local minimum = (v) strictly increasing on , π , , and . strictly decreasing on π and . local maximum= at x = π , π . local minimum= at x = π , π .
📖 Class 12 Mathematics English Volume 2 2025 Edition www.tntextbooks.in · Page 259
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EXERCISE . ( ) (i) absolute maximum = − , absolute minimum = − (ii) absolute maximum = , absolute minimum = − (iii) absolute maximum = , absolute minimum = − (iv) absolute maximum = , absolute minimum = ( ) (i) strictly increasing on −∞− , and , ∞ ) , strictly decreasing on − , local maximum = local minimum = − (ii) strictly decreasing on −∞ , and , ∞ ) . No local extremum. (iii) strictly increasing on −∞∞ .
No local extremum. (iv) strictly decreasing on , ) , strictly increasing on , ∞ ) . local minimum = (v) strictly increasing on , π , , and . strictly decreasing on π and .
local maximum= at x = π , π . local minimum= at x = π , π .
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