यदि A = {a,b,c} तथा B= {p,q} है, तब n(A×B) का मान ज्ञात कीजिए।
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n(A×B) का मान 6 होगा ।
Step-by-step explanation:
दिया हुआ,
A = {a, b, c} तथा B = {p, q}
n(A × B) का मान = ?
∴ A × B = {a, b, c} × {p, q}
= {a, p}, {a, q}, {b, p}, {b, q}, {c, p}, {c, q}.
n(A × B) = 6
हम जानते हैं कि,
n(A × B) = n(A ) × n(B)
= 3 × 2
= 6
इसलिए, n(A×B) का मान 6 होगा ।
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