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fx = cos-12xx+1 ফাংশনটির ডোমেন ও রেঞ্জ নির্ণয় কর।

Created: 1 year ago | Updated: 1 year ago

f(x)=cos-12xx+1

-12xx+112xx+112xx+1x1

-12xx+1-x-12x3x-1x-13

অতএব, ডোমেন =x:-13x1=-13,1;

রেঞ্জ =cos-12×11+1,cos-12-13-13+1=0,π

1 year ago

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1 year ago

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