Question

सर्वसमिका का उपयोग करके (x - 2y - 3z)^2हल करे​

Answer 1

Answer:

Step-by-step explanation:

Using identity

$(a+b+c)^{2} =a^{2} +b^{2} +c^{2} +2ab+2bc+2ac\\(x-2y-3z)^{2} =x^{2} +4y^{2}+9z^{2} -4xy+12yz-6xz$