# Solve the differential equation $\dfrac{{dy}}{{dx}} + y\tan x = {\cos ^3}x$ If the HCF of \[408\] and $1032$ is expressible in the form $1032m - 408 \times 5$, find $m$

Answer

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Hint: Here we find the HCF of given numbers by using Euclid’s division Algorithm

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By using Euclid’s Division Algorithm lets us find the HCF of given numbers

Euclid’s Division Algorithm:

Dividend =divisor$ \times $quotient$ + $remainder

Here larger number will be the dividend and smaller number will be the divisor

$1032 = 408 \times 2 + 216$

$408 = 216 \times 1 + 192$

$216 = 192 \times 1 + 24$

$192 = 24 \times 8 + 0$

Since here the remainder is $0$ Therefore HCF of $1032$ and$408$ is $24$

Now let us equate the given form with HCF of given numbers

$1032m - 408 \times 5$=$24$

$1032m = 2064$

$m = 2$

So here value of $m = 2$

NOTE: We can also find the HCF of two numbers by division method by dividing the larger number with the smaller number.

.

By using Euclid’s Division Algorithm lets us find the HCF of given numbers

Euclid’s Division Algorithm:

Dividend =divisor$ \times $quotient$ + $remainder

Here larger number will be the dividend and smaller number will be the divisor

$1032 = 408 \times 2 + 216$

$408 = 216 \times 1 + 192$

$216 = 192 \times 1 + 24$

$192 = 24 \times 8 + 0$

Since here the remainder is $0$ Therefore HCF of $1032$ and$408$ is $24$

Now let us equate the given form with HCF of given numbers

$1032m - 408 \times 5$=$24$

$1032m = 2064$

$m = 2$

So here value of $m = 2$

NOTE: We can also find the HCF of two numbers by division method by dividing the larger number with the smaller number.

Last updated date: 28th Sep 2023

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