1 - 4x^2 = 0
- 4x^2 = - 1
4x^2 = 1
x^2 = 1/4
x = ± √(1/4)
x = ± 1/2 = ± 0,5
Y=x²-5
f(-3x+2) значит х=-3х+2
у= (-3х+2)²-5=9х²-12х+4-5=9х²-12х+1
√(30a⁷*45b³ *75b⁵*98a³) =√(3*2*5a⁷ *3*3*5b³ *5*5*3b⁵* 7*7*2a³) =
√(2²*3⁴*5⁴*7²a¹⁰*45b⁸ )=2*3²*5²*7a⁵b⁴=2*9*25*7a⁵b⁴ =3150 a⁵b⁴
√(12a¹⁷*21b³*24b⁵*42a³ )=√(2*2*3a¹⁷* 3*7b³* 2*2*2*3b⁵* 2*3*7a³ ) =
=√(2⁶*3⁴*7²*a²⁰b⁸ )=2³*3²*7a¹⁰b⁴=8*9*7a¹⁰b⁴= 504a¹⁰b⁴