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縺後≠繧九ゑｽ√�ｯ�ｼ舌〒縺ｪ縺�螳壽焚縺ｧ縺ゅｋ縲�
(1)�ｿｽ繧定ｧ｣縺�
(2)�ｽ��ｼ橸ｼ舌�ｮ縺ｨ縺阪��ｿｽ繧定ｧ｣縺代�
(3)�ｿｽ縲��ｿｽ繧偵＞縺壹ｌ繧よｺ縺溘☆謨ｴ謨ｰ�ｽ倥′縺溘□�ｼ代▽縺ｨ縺ｪ繧具ｽ√�ｮ蛟､縺ｮ遽�蝗ｲ繧呈ｱゅａ繧医�
螟ｧ蝠擾ｼ�
�ｼ偵▽縺ｮ謾ｾ迚ｩ邱咾1:y=x^2-2x+3 C2:y=-x^2-4x+7縺後≠繧九�
(1)C1縺ｨC2縺ｧ蝗ｲ縺ｾ繧後ｋ驛ｨ蛻�縺ｮ髱｢遨阪ｒ豎ゅａ繧医�
(2)C1縺ｮ轤ｹ(t,t^2-2t+3)縺ｫ縺翫￠繧区磁邱壹ｒl縺ｨ縺励，2縺ｨl縺ｧ蝗ｲ縺ｾ繧後ｋ驛ｨ蛻�縺ｮ髱｢遨阪ｒS縺ｨ縺吶ｋ縲ゅ◆縺縺励》>0縺ｧ縺ゅｋ縲�
( )�ｽ後�ｮ譁ｹ遞句ｼ上ｒ豎ゅａ繧医�
( )S繧抵ｽ斐〒陦ｨ縺帙�
( )S=256/3縺ｨ縺ｪ繧逆縺ｮ蛟､繧呈ｱゅａ繧医�
螟ｧ蝠擾ｼ�
髢｢謨ｰf(x)=asinxcosx+cos^2x縺後≠繧九�
(1)f(x)繧痴in2x,cos2x縺ｧ陦ｨ縺帙�
(2)a=竏�3縺ｮ縺ｨ縺阪’(x)縺ｮ譛螟ｧ蛟､縲∵怙蟆丞､繧呈ｱゅａ繧医�
(3)0竕ｦx竕ｦﾏ/4縺ｨ縺吶ｋ縲�
(i)0<a<1縺ｮ縺ｨ縺阪’(x)縺ｮ譛螟ｧ蛟､縲∵怙蟆丞､繧誕縺ｧ陦ｨ縺帙�
(ii)f(x)縺ｮ譛螟ｧ蛟､縺後’(x)縺ｮ譛蟆丞､縺ｮ2蛟阪→縺ｪ繧九ｈ縺�縺ｪ螳滓焚a縺ｮ蛟､繧呈ｱゅａ繧医�
(携帯)
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