
Հանրահաշիվ
Authored by Vanuhi Meliksetyan
Mathematics
1st Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ընտրել ճիշտ տարբերակը
(sinx) '=
-sinx
cosx
-cosx
sinx
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Գտնել ֆունկցիայի ածանցյալը
y=sin(x/4) + xlnx
1/4 cos(x/4) + lnx + 1
1/4 sin(x/4) +1/x +1
-4sin(x/4) +lnx + 1
-1/4cos(x/4) + lnx + 1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Գտնել ֆունկցիայի ածանցյալը
f(x) = cos5x+8
5- 8sinx
-5sinx
-5sinx +8
-5sin5x
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Լուծել հավասարումը
lg(2x-7) = -1
2,5
3,5
3,55
0
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Լուծել անհավասարումը
lgx + lg(13-2x)< 1+lg2
(0; 2,5) Ս (4; 6,5)
(0 ; 6,5)
(2,5 ; 4)
(2,5 ; 4)Ս(4, 6,5)
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