Page 117 - Math Grade 12 (Advance)

PROEUS DARA

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~fn'UJ!M: t~ffiSH9~'l:3S fr sh fz t[:jrnRlliliitrn IR t1:tlru fr(x) =e-x sh

fz(X) = e3x '1

2. r:dlhmiimt:hmg1~ti8ssnn x :
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f"r(X)-2j'l(x)-3fr(X) = 0 Sb f"ix)-2f'z(X)-3fz(x) = 0 '1

~- 151;TJQJGlH9~'i:3S y = crf 1 (x)+cd 2 (x) t~h~iihl~ffl~

y"-2y' -3y = 0 tir:mgUitiG~Std~ Cr sh Cz '1

n. d5 fr(x) =e-x r;sur;d'hs'9 1 f'J(x) =-e-x shtd1'9 2 f"J(x) =e-x

3 3 3
ttl j (x) = e x tSH f' (x) = 3e x Sh f" (x) = 9e x '1
2 2 2

~msg f" (x)-2j' (x)-3f (x) = 0
1
1
1
3 3 3
f"r(x)-2f'z(x)-3fz(x) = 9e x-6e x 3e x = 0

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