Page 85 - Math Grade 11 (Advance)

PROEUS DARA

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~tl'i:ijRMfiucrul:!L11Hi5 A- c~ruc~l:l M'(x', y') t9i M(x, y) lt!J&al~ &~1J11
u
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~rul a1 (x, y) dl~S~'i:iEHS (x', y') 'i
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ax+ey = x' adx + edy = dx'
{ bx+dy = y' ~ { - bex- edy = -ey , M'i:i'i:ibli
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(ad-be)x = dx'-ey' Ql:lfi~rul ad-bei=O al~t~QlS
""'
1
1 1
x=--(dx'-ey'), y=-db(-bx'+ay')
ad -be a - e

lxl = _1 [d -el lxl i5 M = A-I(M')
lYJ ad- be -b cj lYJ "'"'

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