True False[1 Marks ]

Questions

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7 questions · timed · auto-graded

Question 11 Mark

The value of $(10.1)^5$ is $105101.00501.$

Answer

True

Question 21 Mark

The total number of terms in the expansion of $(1+6 x$ $\left.+9 x^2\right)^{23}$ is 47

Answer

True

Question 31 Mark

The number of terms in the expansion of $\left[(x-2 y)^3\right]^3$ is 9 .

Answer

False

Question 41 Mark

The value of $\frac{ C _0}{6}-{ }^8 C _1+{ }^8 C _2 \cdot 6-{ }^8 C _3 \cdot 6^2+\ldots +{ }^8 C _8 \cdot 6^7$ is $\frac{5^8}{6}$.

Answer

True

Question 51 Mark

$\sum_{r=0}^n 3^r .{ }^n C _r=4^n$

Answer

True

Question 61 Mark

Answer

True

Question 71 Mark

The total number of terms in the expansion of $(x+$ a) ${ }^{100}+(x-a)^{100}$ is 50.

Answer

False

True False[1 Marks ] - Maths STD 11 Science Questions - Vidyadip

Maths True False[1 Marks ]