maths-9th
TRANSCRIPT
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gc* ew75 : (Fresh) '''',,,,ZZZZ))))))))2222 ] 3 z:
^:t6,p&VZzwzxZzgx6,X15 : zZzw 420 z:
^:gZ[ZN[1X[X`Xg]~t{{V~g`,X^SZzgz!*g{Z!*]7XtzZzwzGGLHg6,fZ!,X
XXXXXXXXXXXXXX = |A | A = )1(X
bd - ac 4X ad - bc 3X ac - bd 2X ab - cd 1X
gC/~ZkXXXXXXXXXXX@*X (X 2)5 4X 11 3X e 2X 10 1X
{XXXXXXXXXXXX 0.000045 (3)-5 4X 5 3X -4 2X 4 ZX
XXXXXXXXXXXXXX =(a + b)
2 + (a - b)
2 (4)
5a4 - b
4 4X 2(a2+ b2) 3X a - 2a2b2+ b4 2X 4ab 1X
ZbZ!? x2+2x-24 (5)(x-3) (x+8) 4X (x+3) (x-8) 3X (x+6) (x-4) 2X (x-6) (x+4) 1X
ZWX a2- 4ab + 4b2 Zzg a3 - 8b3 (6) (a + 2b )
2 4X a + 2b 3X a2 + 2ab + b2 2X a - 2b 1X
iLX (7)
{ } 4X {-10} 3X {10} 2X {100} 1X
iLX 5 - 3x = -4 (8){9} 4X {3} 3X {1,3} 2X {-3} 1X
XXXXXXXXXXXXXg,~zZX (3, -4)` (9)4Xa 3X} 2Xzu} 1X
'.0 JGZZzt[~Zq-iZzt[ZzgziZzbXXXXXXXXXXXDX (10)4X7 3X_5.2. FEH~ 2Xz ZXq{
'.0 JGZZztzZ:[~}iZz-V~CZq-lZgXXXXXXXXXCX (11)90
0 4X 600 3X 450 2X 300 1X
%,zF,DX (12)
4XzZzg!* 3Xz 2X)z 1X!*
[ZHq~**XXXXXXXXXDX (13)
4X7 3XZi~ 2X` 1Xz
[ziZztZzg|Z0+gziZztXXXXXXXXXiZzbDX (14)
4X)z 3Xz 2X_5.2. FEH~ 1X
.5.2. FEH~
'.0 JGZZzt[ZHqX (15)
12,10,8 4X 10,8,6 3X 8,6,4 2X 6,4,2 1X
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ewgc*(Fresh) '''',,,,ZZZZ))))))))2222
60:::: ]]]] 2:40 zzzz::::
36:::: zzzzzzzzxxxx
ZZZZbbbbZZZZYYYYiiii,,,,???? 9 ::::ggggzzzzffffssss~~~~ 2 ZZZZwwww
),g=\gzwi,? x - 2y = 1 3x + y = 10 Xi
4 - 3i , 2 + 3i q[x,? Xii
(0.04) (2.56) &+g=/i,X Xiii
7x,? a2 + b2 + c2 ab + bc + ca = 11 Zzg a + b + c = 6 Xiv
x4 + x
2 + 1 ~,? Xv
(x + 2) (x + 4) (x + 6) (x + 8) - 9 ~,? Xvi
x2 - 2x - 3 , x
2 - x - 6 &+g=ZWx,? Xvii
x6 - 2x
5 + 3x
4 - 2x
3 + x
2_.gx,? viii
XZZx,? 159 &tZZ ix
|5x - 13| + 2 = 14 iLx,? x
x + 4y - 5 , 2x + 3y = 0 &+g=/Zsi,? xi
iLx,? xii
24:::: zzzzxxxx
ggggzzzzffffssss~~~~&&&&ZZZZ]]]]iiii,,,,????xxxxZZZZ]]]]'''',,,,ZZZZ'''',,,,XXXX ^::::
(10 , -2 ) , ( -7, 4 ) , ( 3, -5 ) :[%/x,XZkgZkV 3 Zw
:[zZHqzVo5zZ}IZi~ZzgM~Zk@*X 4 Zw
:[zZHqMV}IM(,Z@*? 5 Zw
X ABC :Zq-[ 6 Zw
m AB = 5cm , mBC = 4cm, m CA = 4.5cm