найдите производную функции
f(x)=(4√x +3)(4√x -3)+2x^2
f(x)=(x^2+5)(x^2-4)+2√x
f(x)=√2x^2-(3x-2)5x+1)-√x
1) f(x)=(4√x +3)(4√x -3)+2x² = 16x - 9 + 2x²
f(x)=(16x - 9 + 2x²) = 16 + 4x = 4(4 + x)
2) f(x)=(x^2+5)(x^2-4)+2√x = x⁴ - 4x² + 5x² - 20 + 2√x = x⁴ + x² + 2√x - 20
f(x)= ( x⁴ + x² + 2√x - 20 ) = 3x³ + 2x + 1/√x
3) f(x)=√2x^2-(3x-2)5x+1)-√x = √2 x² - 15x² +10x + 1 -√x
f(x)= (√2 x² - 15x² +10x + 1 -√x ) = 2√2x - 30x + 10 - 1/2√x = x(2√2 - 30) +10 - 1/2√x
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