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Definite Integration question

2025 · 22 Jan · Shift 1 · Q39
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  5. /2025 · 22 Jan · Shift 1 · Q39

Definite Integration question

2025 · 22 Jan · Shift 1 · Q39

JEE MainMathematicsDefinite IntegrationMCQ+4 / −1
Let for f(x)=7tan⁡8x+7tan⁡6x−3tan⁡4x−3tan⁡2x,I1=∫0π/4f(x)dxf(x)=7 \tan ^8 x+7 \tan ^6 x-3 \tan ^4 x-3 \tan ^2 x, \quad \mathrm{I}_1=\int_0^{\pi / 4} f(x) \mathrm{d} xf(x)=7tan8x+7tan6x−3tan4x−3tan2x,I1​=∫0π/4​f(x)dx and I2=∫0π/4xf(x)dx\mathrm{I}_2=\int_0^{\pi / 4} x f(x) \mathrm{d} xI2​=∫0π/4​xf(x)dx. Then 7I1+12I27 \mathrm{I}_1+12 \mathrm{I}_27I1​+12I2​ is equal to :
  1. A
    2 π\piπ
  2. B
    1
  3. C
    π\piπ
  4. D
    2
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