3. (i) sec (2x + 3) tan (2x + 3)
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Step-by-step explanation:
first first we will take bracket 2 x + 3 bracket close + 2 x + 3 then we will open the bracket 2 x + 32 x + 3 2x 2x will be the 4x and 3 + 3 will be six then the answer will be 4 x + 6 thank you
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