Matemaatika Põhikooli Valemid
Valemid
a1 = a (ab)n = an bn
a0 = 1 a n =an
(an)m = anm an .
am = an+m
a-n = an
an an-m
am
1) ax2+bx=0 = x(ax+b) = x1=0 ja x2= -b
Taandamata Ruutvõrrand
2) ax +bx+c=0 = x1,2= -b + b2-4ac = a(x-x1)(x-x2)
2
Taandatud Ruutvõrrand
3) x +px+q = x1,2= -p + p2-q = (x-x1)(x-x2)
2
Viete i teoreem x1+x2=-p
X1 . x2= q
Tegurdamine
2 2
(a+b)(a-b) = a -b 2
Ax +bx = x(ax+b)
(a+b)2 = (a+b) . (a+b) = a2+2ab+b2 Ax2+bx+c = a(x-x1)(x-x2)
(a-b)2 = (a-b) . (a-b) = a2-2ab+b2 A3+b3 = (a+b)...
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