Hoàn thiện các HĐT sau:
a,\(\left(...+...\right)^2=100x^2+60xy+...\)
b, \(\left(7-...\right)=.....-.....+4y^4\)
c,\(\left(....+3xy^2\right)^2=16x^4y^2+.....+.....\)
d, \(\left(.........-........\right)^2=49x^6y^4-42x^4y^4+.......\)
e, \(\left(4xy^2-......\right)=........-.........+25x^2y^4z^6\)
Ai giúp với! Đang cần gấp ạ
a,\(\left(10x+3y\right)^2=100x^2+60xy+9y^2\)
b,\(\left(7-2y^2\right)^2=49-28y^2+4y^4\)
c,\(\left(4x^2y+3xy^2\right)^2=16x^4y^2+24x^3y^3+9x^2y^4\)
d,\(\left(7x^3y^2-3xy^2\right)^2=49x^6y^4-42x^4y^4+9x^2y^4\)
e,\(\left(4xy^2-5xy^2z^3\right)^2=16x^2y^4-40x^2y^4z^3+25x^2y^4z^6\)