If X = 2, Y = 5 and Z = 4, Find the Value of the Following:

If x = 2, y = 5 and z = 4, find the value of the following:

`"xz"/"yz"`

योग

`"xz"/"yz"=(2xx4)/(5xx4)=2/5`

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Concept of Substitution

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अध्याय 20: Substitution (Including Use of Brackets as Grouping Symbols) - Exercise 20 (A)

अध्याय 20 Substitution (Including Use of Brackets as Grouping Symbols)
Exercise 20 (A) | Q 9.2

Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.

y − x = ...........

Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.

xy − bd = ..............

Find the value of `"yx"/"z"`, when x = 8, y = 4 and z = 16

If a = 3, b = 0, c = 2 and d = 1, find the value of 2a² − 3b² + 4c² − 5d²

Find the value of 5x² – 3x + 2, when x = 2.

Simplify:

(a + b) − (c + d) − (e − f)

Fill in the blank:

3m − 2n + 6 = 6 − (............)

If x = 3, y = 2 and z = 1; find the value of x^y

Multiply and then evaluate:

(x² – y) and (xy – y²); when x = 1 and y = 2.

If x = − 3, find the value of 2x³ + 8x² – 15.

If X = 2, Y = 5 and Z = 4, Find the Value of the Following: "Xz"/"Yz" - Mathematics