Matematika fanini o`qitishning asosiy maqsadlarini ko`rsating

67. Sonlarni kamayish tartibida joylashtiring:

a). a>b>c

*b). a=b=c

c). b>a>c

d). a > b

68. Geometrik progressiyada 6 ta had bor. Dastlabki 3 ta hadning yig`indisi 26 ga teng, keyingi 3 ta hadning yig`indisi esa 702 ga teng. Progressiya maxrajini toping?

*a).4

b). 3

c).

d).
69. b ning qanday qiymatida

9x²+ bx+1 tenglama yagona echimga ega bo`ladi.

a). ±6

b). -6

*c). 7

d). 6
70. b ning kanday kiymatlarida